*{
    padding: 0px;
    margin: 0px;
    color: rgb(0, 0, 0);
}
a{
    text-decoration: none;
}
li{
    list-style: none;
}
input{
    outline: none;
}
body{
    background-color: rgb(241,243,244);
}
.fl{
    float: left;
}
.fr{
    float: right;
}
.header{
    background-color: rgb(0, 0, 0);
    margin: 0 auto;

}
.header .w1100{
    height: 80px;
    /* background-color: rgb(0, 0, 0); */
}
.w1100{
    position: relative;
    width: 1100px;
    margin: 0 auto;
}
.header .logo img{
    position: absolute;
    height: 80px;
    border-radius: 20%;
    transition: 0.5s;
}
.header .logo img:hover{
    border-radius: 50%;
    box-shadow: 0 0 6px 1px rgb(214, 232, 240);
}
.navigation{
    position:absolute;
    right: 15px;
    width: 150px;
    height: 100px;
}
.navigation :nth-child(1){
    left: 0;
}
.navigation li{
    position: absolute;
    top: 30px;
    font-size: 18px;
}
.navigation :nth-child(2){
    right: 0;
}
.navigation li a{
    color: rgb(255, 255, 255);
}
